Chemistry Which one of the following has greatest mass ? Electron Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium carbonate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Mica Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Sedimentation equilibrium Osmotic pressure Viscosity Light scattering Sedimentation equilibrium Osmotic pressure Viscosity Light scattering ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antiknock compound A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound A reductant A catalyst in burning fossil fuel An antioxidant ANSWER DOWNLOAD EXAMIANS APP